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-rw-r--r--src/d_iwad.c66
1 files changed, 32 insertions, 34 deletions
diff --git a/src/d_iwad.c b/src/d_iwad.c
index a67a6d4f..e6ee2cf8 100644
--- a/src/d_iwad.c
+++ b/src/d_iwad.c
@@ -39,6 +39,19 @@
#include "w_wad.h"
#include "z_zone.h"
+static iwad_t iwads[] =
+{
+ { "doom2.wad", doom2 },
+ { "plutonia.wad", pack_plut },
+ { "tnt.wad", pack_tnt },
+ { "doom.wad", doom },
+ { "doom1.wad", doom },
+ { "chex.wad", doom },
+ { "heretic.wad", heretic },
+ { "heretic1.wad", heretic },
+ { "hexen.wad", hexen },
+};
+
// Array of locations to search for IWAD files
//
// "128 IWAD search directories should be enough for anybody".
@@ -320,16 +333,20 @@ static void CheckDOSDefaults(void)
// Search a directory to try to find an IWAD
// Returns the location of the IWAD if found, otherwise NULL.
-static char *SearchDirectoryForIWAD(char *dir, iwad_t *iwads,
- GameMission_t *mission)
+static char *SearchDirectoryForIWAD(char *dir, int mask, GameMission_t *mission)
{
size_t i;
- for (i=0; iwads[i].name != NULL; ++i)
+ for (i=0; i<arrlen(iwads); ++i)
{
char *filename;
char *iwadname;
+ if ((iwads[i].mission & mask) == 0)
+ {
+ continue;
+ }
+
iwadname = DEH_String(iwads[i].name);
filename = malloc(strlen(dir) + strlen(iwadname) + 3);
@@ -359,17 +376,22 @@ static char *SearchDirectoryForIWAD(char *dir, iwad_t *iwads,
// When given an IWAD with the '-iwad' parameter,
// attempt to identify it by its name.
-static GameMission_t IdentifyIWADByName(char *name, iwad_t *iwads)
+static GameMission_t IdentifyIWADByName(char *name, int mask)
{
size_t i;
GameMission_t mission;
mission = none;
-
- for (i=0; iwads[i].name != NULL; ++i)
+
+ for (i=0; i<arrlen(iwads); ++i)
{
char *iwadname;
+ // Only use supported missions:
+
+ if ((iwads[i].mission & mask) == 0)
+ continue;
+
iwadname = DEH_String(iwads[i].name);
if (strlen(name) < strlen(iwadname))
@@ -390,7 +412,7 @@ static GameMission_t IdentifyIWADByName(char *name, iwad_t *iwads)
//
// Add directories from the list in the DOOMWADPATH environment variable.
-//
+//
static void AddDoomWadPath(void)
{
@@ -564,7 +586,7 @@ char *D_TryFindWADByName(char *filename)
// should be executed (notably loading PWADs).
//
-char *D_FindIWAD(iwad_t *iwads, GameMission_t *mission)
+char *D_FindIWAD(int mask, GameMission_t *mission)
{
char *result;
char *iwadfile;
@@ -594,7 +616,7 @@ char *D_FindIWAD(iwad_t *iwads, GameMission_t *mission)
I_Error("IWAD file '%s' not found!", iwadfile);
}
- *mission = IdentifyIWADByName(result, iwads);
+ *mission = IdentifyIWADByName(result, mask);
}
else
{
@@ -606,34 +628,10 @@ char *D_FindIWAD(iwad_t *iwads, GameMission_t *mission)
for (i=0; result == NULL && i<num_iwad_dirs; ++i)
{
- result = SearchDirectoryForIWAD(iwad_dirs[i], iwads, mission);
+ result = SearchDirectoryForIWAD(iwad_dirs[i], mask, mission);
}
}
return result;
}
-// Clever hack: Setup can invoke Doom to determine which IWADs are installed.
-// Doom searches install paths and exits with the return code being a
-// bitmask of the installed IWAD files.
-
-void D_FindInstalledIWADs(iwad_t *iwads)
-{
- unsigned int i;
- int result;
-
- BuildIWADDirList();
-
- result = 0;
-
- for (i=0; i<arrlen(iwads); ++i)
- {
- if (D_FindWADByName(iwads[i].name) != NULL)
- {
- result |= 1 << i;
- }
- }
-
- exit(result);
-}
-